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Debug
Serial Console
You can connect to a serial terminal on the Quickdev16 to access the debug console. You need to build a cable for the header connector and connect RX and TX lines to your serial port. DON'T CONNECT YOUR NORMAL RS232 PORT TO THESE PINS, USE A 5V SERIAL LINE! Best partice would be to use a max232 based levelshifter since the Quickdev16 runs on 5v levels. Once you have the cable built and conncected you use a terminal programm to connect.
On *nix you can use screen to connect.
screen /dev/tty.NoZAP-PL2303-00005114 115200
Or a GUI like Serial
Builtin Shell
Once you are connected via serial you can access a little command shell which is useful to debug the firmware and get status infos about the Quickdev16. Currently these commands are implemented in the shell:
"DUMP 0x00 0xff" - Sram memory hexdump
"CRC 0x00 0xff" - Sram memory crc check
"EXIT" - Leave the application and restart the AVR
"RESET" - Send reset to SNES
"IRQ" - Send cart IRQ to SNES
"AVR" - Switch memory bus to AVR side
"SNES" - Switch memory bus to SNES side
"LOROM" - Set LOROM
"HIROM" - Set HIROM
"WR 1" - Allow WR from SNES
"SHMWR 1 1" - Write to sharedmem
"SHMSAVE" - Backup sharedmem region
"SHMRESTORE" - Restore sharedmem region
"LOADER" - Start SNES loader
"RECONNECT" - Do an usb reconnect
"STATUS" - Print Quickdeb16 status flags
"HELP" - This